219120909

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{222007}}^1$

素因数の和:222064

約数の個数: 16

約数和(自身を含む): 341004288

約数和(自身を除く): 121883379

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 222007, 666021, 1554049, 4662147, 10434329, 31302987, 73040303, 219120909]

約数ペア:

[(1, 219120909), (3, 73040303), (7, 31302987), (21, 10434329), (47, 4662147), (141, 1554049), (329, 666021), (987, 222007)]